/**
 * @author Jiange
 * @create 2021-07-16-9:53
 */
public class SynchronizedWait {
    public static void main(String[] args) {
        Share share = new Share();
        new Thread(()->{
            for (int i = 0; i < 10; i++) {
                try {
                    share.incr();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        },"AA").start();
        new Thread(()->{
            for (int i = 0; i < 10; i++) {
                try {
                    share.desc();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        },"BB").start();
    }
}
class Share{
    private int number = 0;
    public synchronized void incr() throws InterruptedException {
        while(number != 0){
            this.wait();
        }
        number++;
        System.out.println(Thread.currentThread().getName()+"---"+number);
        notifyAll();
    }

    public synchronized void desc() throws InterruptedException {
        while (number != 1){
            wait();
        }
        number--;
        System.out.println(Thread.currentThread().getName()+"---"+number);
        notifyAll();
    }
}
